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问题 remain of是固定搭配吗

According to the scientists who found its dead body, all that remained of the polar bear was "skin and bones". 请问remain of是不是理解成从...遗留？of在这里怎么理解？remain of是固定搭配吗？

问题 非限制定语从句

... hearing that the submersible had not been independently reviewed, as is standard practice. That and Titan's unusual design subjected it to scrutiny in the undersea exploration community.这句话的as is standard practice应该是非限制定语从句，这个as 指代什么？指代前面的review...

问题 “使用前”翻译（before use,before using,before being used)

若要用英语表示“使用前”，怎么写？before use, before using, before being used？所有设备使用前都要消毒。All equipment must be sterilized before use.All equipment must be sterilized before using.All equipment must be sterilized before being used.这三句都对吗？

问题 be easy to please与be eager to please的不同之处

有人认为下面两句意思不同：The man is easy to please.The man is eager to please.请老师分析一下，它们哪里不同？为什么？

问题 to do 还是 to be done 疑惑

...看到这么一组句子：1）The tap water is not fit to drink ?说不能be drunk.2）Do you have any letters to be typed说不能to type.3）The next thing to consider is to find a nice place to live.说不能to be considered.请教老师，书上说法是否正确？第一句是否可以用be dr...

问题 有关动词 be 用法的几个基础问题

请问曹老师 be 动词不是谓语动词吗？为什么 be 动词不能单独作谓语？系动词和be动词和助动词有什么区别吗?

问题 不定式的一般式与进行式的区别

A passenger will step up and tell me which flight they intend to be taking that day.请问这句话为什么不用intend to take? 有什么区别呢？谢谢！

问题 have one's respect的意思

the average person can be led readily if you have his or her respect and if you show that you respect that person for some kind of ability.请问这句话中的have his or her respect 指的是“对Ta表示尊敬”还是“受到Ta的尊敬”？

问题 语法结构

...。1.The police have appeared to anyone with information to come forward and talk to them.   2.Xi called at the meeting for the police to treat people sincerely.   3.The man asked for the decision to be changed.    4.The company will arrange for a taix to meet you at the airport.        高...

问题 这里的Which To如何理解

...reshold at which to consider learners at the top of the intermediate level and ready to take on an advanced program.Such a program would ideally have the following aims : …请问这里的which to 如何理解？定语从句的主语是什么？

问题 be sorry to do与be sorry to have done的区别

翻译：对不起，让您久等了。I’m sorry to keep you waiting. I’m sorry to have kept you waiting. 上面翻译哪句对？

问题 being作介词短语

I was exposed to the TV of being on the room of house. 是不是有being就代表了动名词短语形式？

问题 请问如何理解句中的两个being

What makes being a founder stressful is being on an emotional roller-coaster all the time. 请问如何理解句中的两个 being？What makes being a founder stressful 是什么意思？

问题 请问这里为什么用in being呢

The transition will be politically hard in places that have invested a lot in being covid-free.请问老师这里的being covid-free是动名词短语作in的宾语吧?我疑惑的是为什么要用being呢，不可以invested a lot in covid-free places吗？

问题 hoped to have done与hoped to do

...：In World War Ⅱ，Japan hoped ________  its power to the whole Asia，and it did not succeed.A. extend B. extending  C. to extend D. to have extended这个题能不能选C。我的观点是这样的：就像描述过去的两件事，A先于B发生，A可以是过去完成时，但如果不是...